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authorEric W. Biederman <ebiederm@xmission.com>2005-06-25 14:57:52 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-06-25 16:24:48 -0700
commitd0537508a9921efced238b20967e50e519ac34af (patch)
tree80f2743e9299da07c07625af45807e16a7d7f85a /kernel/Makefile
parent8a9190853c34289d9181acd9c620c76143bf88ca (diff)
[PATCH] kexec: x86_64: add CONFIG_PHYSICAL_START
For one kernel to report a crash another kernel has created we need to have 2 kernels loaded simultaneously in memory. To accomplish this the two kernels need to built to run at different physical addresses. This patch adds the CONFIG_PHYSICAL_START option to the x86_64 kernel so we can do just that. You need to know what you are doing and the ramifications are before changing this value, and most users won't care so I have made it depend on CONFIG_EMBEDDED bzImage kernels will work and run at a different address when compiled with this option but they will still load at 1MB. If you need a kernel loaded at a different address as well you need to boot a vmlinux. Signed-off-by: Eric Biederman <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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